Re:Leonardo da Vinci’s The Last Supper in a new gigapixel image
by taffit on Saturday July 04, 2020 @10:52AM
(#23732617)
Really great tools. Worked flawlessly with the mentioned copy of the original post. Thank you for this!
Re:Leonardo da Vinci’s The Last Supper in a new gigapixel image
by dpau on Friday July 03, 2020 @02:48PM
(#23726429)
love these tools, have used them on multiple projects, thanks so much for your work.
Re:Leonardo da Vinci’s The Last Supper in a new gigapixel image
by rakic on Friday July 03, 2020 @11:08AM
(#23724652)
Edit: I’m a dummy.
Re:Leonardo da Vinci’s The Last Supper in a new gigapixel image
by lovasoa on Friday July 03, 2020 @11:39AM
(#23724915)
Yes, as I wrote, the final size of the image is limited by the browser. See [1] for more details. The highest resolution version can only be downloaded by dezoomify-rs [2], not dezoomify.
- dezoomify (https://dezoomify.ophir.dev) is a web application. It is super easy to use, but the final size of the image is limited by the browser. No browser can create gigapixel canvases.
- dezoomify-rs (https://lovasoa.github.io/dezoomify-rs/) is a command-line desktop application for Linux, MacOS, and Windows that does the same thing. It has no limitation (other than the one imposed by the file formats themselves) on the final image size.
- dezoomify-extension (https://lovasoa.github.io/dezoomify-extension/) is a browser extension to extract zoomable image URLs from webpages. It is less relevant for google arts and culture, where the zoomable image URL is the URL of the viewer page itself.
If someone is interested by how the zoomable image format used by google arts works, the source code of dezoomify-rs is quite understandable: https://github.com/lovasoa/dezoomify-rs/tree/master/src/goog...
In the case of this image, I'm not sure the highest zoom level saved as a single PNG makes a lot of sense. No image viewer will accept to open a PNG file of this size. For JPEG, the format does not even allow images of that size.